//
//  Person.m
//  OC_06集合遍历和数组排序
//
//  Created by dllo on 15/12/8.
//  Copyright © 2015年 dllo. All rights reserved.
//

#import "Person.h"

@implementation Person

- (instancetype)initWithName:(NSString *)name age:(NSInteger)age sex:(NSString *)sex{
    self = [super init];
    if (self) {
        self.name = name;
        self.age = age;
        self.sex = sex;
    }
    return self;
    
}
//声明一个按照姓名 升序排序的方法
- (NSComparisonResult)compareWithNameUP:(Person *)anotherPerson {
    return [self.name compare:anotherPerson.name];
}

//声明一个按照姓名 降序排序的方法
- (NSComparisonResult)compareWithNameDown:(Person *)anotherPerson {
    
    return [self.name compare:anotherPerson.name] * -1;
    
}



- (NSComparisonResult)compareWithAgeUP:(Person *)anotherPerson{
    
    if (self.age > anotherPerson.age) {
        return NSOrderedDescending;
    }else if (self.age < anotherPerson.age){
        return NSOrderedAscending;
    }else{
        return NSOrderedSame;
    }
    
    
}





@end
